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  • AIVOLT VS12000411
  • VEVOR R2000iSP
  • Model VS12000411
    Model VS12000411

    AIVOLT 9,000W Dual-Fuel Inverter Generator

    9000W
    Running
    60 dB
    Noise
    View details
  • Model R2000iSP
    Model R2000iSP

    VEVOR 1,800W Gas Generator

    1800W
    Running
    67 dB
    Noise
    View details
Quick charts
Each chart uses its own Y-axis scale (so numbers are comparable within a chart).
Running watts
W
Starting watts
W
Noise
dB
Runtime @50%
h
Running watts by fuel
Shows how output changes across gasoline/propane/natural gas (when available).
Generator Specifications Comparison
SpecificationAIVOLT VS12000411VEVOR R2000iSP
General
Product type
Not available
Not available
Fuel
Dual-Fuel
Gasoline
InverterYesNo
Parallel capableYesNo
RV readyNoNo
Running watts
Winner: Winner: 9000 W
1800 W
Starting watts
Winner: Winner: 11250 W
2900 W
Noise (lower limit)
Winner: Winner: 60 dB
67 dB
Weight
220 lbs
Winner: Winner: 48.5 lbs
Run time @50% load
Not available
Winner: Winner: 6 h
Run time @25% load
19 h
Not available
Fuel tank
Not available
1.1 gal
Fuel gaugeNoNo
Approx. dimensions (L × W × H)
28.43L x 26.38W x 29.65H
19.6 x 11.4 x 18.1
Electrical
Voltage (AC)
120V/240V
120
Voltage (DC)
Not available
Not available
GFCI outletsYesNo
Covered outletsNoNo
Automatic Voltage RegulationNoNo
THD
3 %
Not available
Engine
Engine
459cc 4-strokes OHV air-cooled
Not available
Alternator
Not available
Not available
Starting system
Not available
Not available
Warranty
Warranty
Not available
Not available
Power by fuel
GasolineNot availableNot available
Running watts
9000 W
1800 W
Starting watts
11250 W
2900 W
Running amps (120V)
Not available
Not available
Running amps (240V)
Not available
Not available
Peak amps (120V)
Not available
Not available
Peak amps (240V)
Not available
Not available
Run time @50% load
Not available
6 h
Run time @25% load
19 h
Not available
PropaneNot availableNot available
Running watts
8450 W
Not available
Starting watts
10570 W
Not available
Running amps (120V)
Not available
Not available
Running amps (240V)
Not available
Not available
Peak amps (120V)
Not available
Not available
Peak amps (240V)
Not available
Not available
Run time @50% load
Not available
Not available
Run time @25% load
Not available
Not available
Other
Data center
Not available
Not available
Indicators
true
Not available
Compliance
Approved by the EPA and CARB
Not available
Security
Not available
Not available
Spark arrestorNoNo
Neutral
Not available
Not available
UPC
Not available
Not available
Core / High-priority specs
Running Watts (Gasoline)
9000
1800
Running Watts (Propane)
8450
Not available
Starting Watts (Gasoline)
11250
2900
Starting Watts (Propane)
10570
Not available
Runtime @ 50% Load (Gasoline)
Not available
6
Runtime @ 25% Load (Gasoline)
19
Not available
AC Outlet Types
2 120V 20A 5-20R GFCI outlets, 1 120V 30A L5-30R, 1 120V/240V 30A L14-30R, 1 120V/240V 50A 14-50R
Not available
Electrical & power
Frequency
60
60
Engine & construction
Engine Type
4 Stroke
Not available
Engine Displacement
459
79.7
Alternator Winding Material
100% copper
Not available
Runtime & fuel system
Runtime @ 25% Load (Gasoline)
19
Not available
Runtime @ 50% Load (Gasoline)
Not available
6
Outlets & connections
Transfer Switch Compatibility
Yes
Not available
Controls & display
Display Type
LED display
Not available
Idle Control System
Eco switch
Not available
Safety & compliance
Overload Protection System
Built-in overload protection
Overload protection
Low Oil ProtectionYesNo
Carbon Monoxide MonitoringYesYes
Included equipment
Fuel Connection Components
LPG hose with regulator
Not available
Included Accessories
Remote controller, battery charger, oil funnel, tool kits
Not available
Warranty & identification
Part Number
Not available
R2000iSP
Additional specs
Summary
The AIVOLT VS12000411 is a dual-fuel generator with a rated wattage of 9000 and a peak wattage of 11250. It features a 459cc 4-stroke OHV engine and includes electric and remote start options.
The VEVOR R2000iSP is a 1,800W gasoline inverter generator built for portability and selective-load backup. Its 2,900W starting surge handles refrigerators, window AC units, and power tools, while the 1,800W continuous rating anchors everyday use like camping, tailgating, and short-duration home outages. At 48.5 lbs and 19.6 x 11.4 x 18.1 inches, it prioritizes grab-and-go convenience over extended runtime.
  • Most Powerful
    AIVOLT VS12000411
    9000W running
  • Quietest
    AIVOLT VS12000411
    60 dB
  • Longest Runtime
    VEVOR R2000iSP
    6h at 50% load
Where to buy
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AIVOLT VS12000411
Store links
No links yet.
VEVOR R2000iSP
Store links
No links yet.
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